EP0825786A3 - Unité d'enregistrement et de reproduction numérique - Google Patents

Unité d'enregistrement et de reproduction numérique Download PDF

Info

Publication number
EP0825786A3
EP0825786A3 EP97306381A EP97306381A EP0825786A3 EP 0825786 A3 EP0825786 A3 EP 0825786A3 EP 97306381 A EP97306381 A EP 97306381A EP 97306381 A EP97306381 A EP 97306381A EP 0825786 A3 EP0825786 A3 EP 0825786A3
Authority
EP
European Patent Office
Prior art keywords
circuit
playback
recording
deshuffling
error correction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97306381A
Other languages
German (de)
English (en)
Other versions
EP0825786A2 (fr
EP0825786B1 (fr
Inventor
Masato Izawa
Hiroshi Horikane
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of EP0825786A2 publication Critical patent/EP0825786A2/fr
Publication of EP0825786A3 publication Critical patent/EP0825786A3/fr
Application granted granted Critical
Publication of EP0825786B1 publication Critical patent/EP0825786B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/22—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1806—Pulse code modulation systems for audio signals
    • G11B20/1809—Pulse code modulation systems for audio signals by interleaving
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
    • G11B15/087—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing recorded signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/032—Electronic editing of digitised analogue information signals, e.g. audio or video signals on tapes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G11B27/3063—Subcodes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • G11B5/588—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/87—Regeneration of colour television signals
    • H04N9/877—Regeneration of colour television signals by assembling picture element blocks in an intermediate memory
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
EP97306381A 1996-08-22 1997-08-21 Unité d'enregistrement et de reproduction numérique Expired - Lifetime EP0825786B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP220909/96 1996-08-22
JP22090996 1996-08-22
JP22090996A JP3293485B2 (ja) 1996-08-22 1996-08-22 ディジタル記録再生装置

Publications (3)

Publication Number Publication Date
EP0825786A2 EP0825786A2 (fr) 1998-02-25
EP0825786A3 true EP0825786A3 (fr) 1999-06-09
EP0825786B1 EP0825786B1 (fr) 2004-10-13

Family

ID=16758440

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97306381A Expired - Lifetime EP0825786B1 (fr) 1996-08-22 1997-08-21 Unité d'enregistrement et de reproduction numérique

Country Status (7)

Country Link
US (1) US6122435A (fr)
EP (1) EP0825786B1 (fr)
JP (1) JP3293485B2 (fr)
KR (1) KR100417204B1 (fr)
CN (1) CN1133333C (fr)
DE (1) DE69731156T2 (fr)
MY (1) MY115245A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4081881B2 (ja) * 1998-03-02 2008-04-30 ソニー株式会社 デジタル信号の磁気記録装置及び方法、デジタル信号の磁気再生装置及び方法、並びに、テープ状記録媒体
JP4178620B2 (ja) * 1998-10-27 2008-11-12 ソニー株式会社 磁気記録再生装置
JP2003324644A (ja) * 2002-05-07 2003-11-14 Canon Inc 映像信号処理装置、画像表示制御方法、記憶媒体、及びプログラム
JP5220627B2 (ja) * 2008-01-16 2013-06-26 パナソニック株式会社 記録装置
US7982994B1 (en) * 2010-05-12 2011-07-19 Seagate Technology, Llc Multi-level recording on shingled coherent magnetic media

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS613584A (ja) * 1984-06-15 1986-01-09 Matsushita Electric Ind Co Ltd Ｖｔｒの再生信号処理方法
EP0556816A2 (fr) * 1992-02-19 1993-08-25 Hitachi, Ltd. Dispositif et méthode d'enregistrement et reproduction numérique d'un signal vidéo
US5483389A (en) * 1990-06-28 1996-01-09 Canon Kabushiki Kaisha Reproducing apparatus for temporarily writing reproducing data into memory

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542454A (en) * 1978-09-22 1980-03-25 Hitachi Ltd Recording and reproducing method for video signal
JPS58141431A (ja) * 1982-02-17 1983-08-22 Hitachi Ltd 磁気録画再生装置
JPH05122647A (ja) * 1991-10-30 1993-05-18 Sony Corp デイジタルビデオテープレコーダ
TW323875U (en) * 1992-12-04 1997-12-21 Sony Corp Digital video and audio signal recording and reproducing apparatus
JPH06267241A (ja) * 1993-03-15 1994-09-22 Toshiba Corp 情報信号記録再生装置
JPH08214265A (ja) * 1995-01-31 1996-08-20 Sony Corp 符号化データの再生方法および再生装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS613584A (ja) * 1984-06-15 1986-01-09 Matsushita Electric Ind Co Ltd Ｖｔｒの再生信号処理方法
US5483389A (en) * 1990-06-28 1996-01-09 Canon Kabushiki Kaisha Reproducing apparatus for temporarily writing reproducing data into memory
EP0556816A2 (fr) * 1992-02-19 1993-08-25 Hitachi, Ltd. Dispositif et méthode d'enregistrement et reproduction numérique d'un signal vidéo

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 141 (E - 406)<2198> 24 May 1986 (1986-05-24) *

Also Published As

Publication number Publication date
KR100417204B1 (ko) 2004-04-14
MY115245A (en) 2003-04-30
DE69731156T2 (de) 2005-02-17
JP3293485B2 (ja) 2002-06-17
EP0825786A2 (fr) 1998-02-25
CN1133333C (zh) 2003-12-31
US6122435A (en) 2000-09-19
KR19980018887A (ko) 1998-06-05
CN1176462A (zh) 1998-03-18
EP0825786B1 (fr) 2004-10-13
DE69731156D1 (de) 2004-11-18
JPH1066022A (ja) 1998-03-06

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